| This circuit automatically selects the optimum gate period for a frequency measurement, positions the decimal point in the display and in...
| This circuit automatically selects the optimum gate period for a frequency measurement, positions the decimal point in the display and in...
| The current trend in the TV industry seems to be the proliferation of `gadgets` for use with the TV set, and the use of the TV screen to d...
| The alignment squeaker`s main use is for the adjustment and alignment of trans- mitters and antennas. To ensure a true indication...
| Last month we published the circuit of the SOL-200 SQ decoder, with a printed circuit board design as supplied by CBS. Since our cir...
| This circuit can be used to display a row of up to eight digits on a TV screen. It gives a video output consisting of horizontal and...
| In the article `Integrated Voltage Regulators` (Elektor 11 and 12) positive and negative IC voltage regulators of both fixed and vari...
| Loud hailers are used wherever people need to make themselves heard over a large distance. The design described here is meant for use...
| The basic circuit of a current source is shown in figure 1 . The base-to-emitter potential for the source transistor Tl is derived from...
| "Dual digit displays Video-to-analog converter Sub-miniature r.f. connectors from Greenpar Rodan Dot Matrix Display (RDMD) 16-segment alphan...
| This miniature nuclear battery - only 3 5 mm long and 15 mm in diameter - has been developed in Britain by the United Kingdom Atomic Ener...